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layout: post
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layout: post
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title: Lossless screen recording
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title: Lossless screen recording
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subtitle: Never waste resources with OBS again
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description: Recording your screen (or monitor(s)) with ffmpeg for a high-quality lossless video that uses very little system resources
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description: Recording your screen (or monitor(s)) with ffmpeg for a high-quality lossless video that uses very little system resources
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categories: minimalism
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categories: minimalism
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cover: /assets/ffmpeg-lossless.png
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cover: /assets/ffmpeg-lossless.png
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date: 2018-08-12 17:15:20
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date: 2018-08-12 17:15:20
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# NEVER USE OBS AGAIN
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I've been trying off and on for the past few weeks to figure out how to record my 1920x1080 monitor. The recording is going to be some music videos for a friend. Originally, it was just going to be a single background image for the whole video then I had the idea of using [cava](https://github.com/karlstav/cava) in a transparent terminal on top of the background. This didn't work at all because it actually kept freezing when I tried to record it. So I tried switching to [ncmpcpp](http://ncmpcpp.rybczak.net/) visualiser. This still had horrible lag. So I've been puzzling over how to use ffmpeg to *losslessly* record my second monitor. I finally figured it out and have pasted the command below.
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I've been trying off and on for the past few weeks to figure out how to record my 1920x1080 monitor. The recording is going to be some music videos for a friend. Originally, it was just going to be a single background image for the whole video then I had the idea of using [cava](https://github.com/karlstav/cava) in a transparent terminal on top of the background. This didn't work at all because it actually kept freezing when I tried to record it. So I tried switching to [ncmpcpp](http://ncmpcpp.rybczak.net/) visualiser. This still had horrible lag. So I've been puzzling over how to use ffmpeg to *losslessly* record my second monitor. I finally figured it out and have pasted the command below.
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`ffmpeg -video_size 1920x1080 -framerate 30 -f x11grab -draw_mouse 0 -i :0.0+1366,0 -c:v libx264 -crf 0 -preset ultrafast output.mkv`
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`ffmpeg -video_size 1920x1080 -framerate 30 -f x11grab -draw_mouse 0 -i :0.0+1366,0 -c:v libx264 -crf 0 -preset ultrafast output.mkv`
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